Month Index 2015=100 1996-12-01 4.13 1997-01-01 5.67 1997-02-01 16.25 1997-03-01 20.76 1997-04-01 21.73 1997-05-01 23.15 1997-06-01 24.85 1997-07-01 25.53 1997-08-01 26.78 1997-09-01 29.57 1997-10-01 31.20 1997-11-01 32.77 1997-12-01 33.78 1998-01-01 35.11 1998-02-01 36.43 1998-03-01 37.23 1998-04-01 38.13 1998-05-01 38.62 1998-06-01 38.40 1998-07-01 38.77 1998-08-01 38.91 1998-09-01 39.67 1998-10-01 40.96 1998-11-01 41.31 1998-12-01 41.81 1999-01-01 42.20 1999-02-01 43.22 1999-03-01 43.48 1999-04-01 43.57 1999-05-01 43.78 1999-06-01 43.56 1999-07-01 43.61 1999-08-01 44.44 1999-09-01 45.06 1999-10-01 45.66 1999-11-01 45.91 1999-12-01 46.36 2000-01-01 47.05 2000-02-01 47.47 2000-03-01 47.86 2000-04-01 48.17 2000-05-01 48.16 2000-06-01 48.31 2000-07-01 48.44 2000-08-01 49.28 2000-09-01 50.24 2000-10-01 50.98 2000-11-01 51.35 2000-12-01 51.82 2001-01-01 52.14 2001-02-01 52.47 2001-03-01 52.74 2001-04-01 52.87 2001-05-01 52.88 2001-06-01 52.95 2001-07-01 52.72 2001-08-01 53.03 2001-09-01 53.21 2001-10-01 53.33 2001-11-01 53.53 2001-12-01 53.73 2002-01-01 54.40 2002-02-01 54.82 2002-03-01 55.05 2002-04-01 55.16 2002-05-01 55.01 2002-06-01 54.85 2002-07-01 54.91 2002-08-01 54.99 2002-09-01 54.33 2002-10-01 54.52 2002-11-01 54.87 2002-12-01 55.01 2003-01-01 55.43 2003-02-01 55.65 2003-03-01 55.66 2003-04-01 55.84 2003-05-01 56.17 2003-06-01 57.04 2003-07-01 57.55 2003-08-01 57.70 2003-09-01 57.46 2003-10-01 57.60 2003-11-01 57.94 2003-12-01 58.18 2004-01-01 58.81 2004-02-01 58.98 2004-03-01 59.06 2004-04-01 59.20 2004-05-01 59.23 2004-06-01 59.17 2004-07-01 60.41 2004-08-01 60.54 2004-09-01 59.91 2004-10-01 60.06 2004-11-01 60.41 2004-12-01 60.50 2005-01-01 60.82 2005-02-01 61.10 2005-03-01 61.35 2005-04-01 61.52 2005-05-01 61.75 2005-06-01 62.10 2005-07-01 63.78 2005-08-01 64.09 2005-09-01 63.32 2005-10-01 64.04 2005-11-01 64.53 2005-12-01 65.24 2006-01-01 65.71 2006-02-01 66.11 2006-03-01 66.33 2006-04-01 66.83 2006-05-01 66.87 2006-06-01 67.26 2006-07-01 68.70 2006-08-01 68.85 2006-09-01 67.67 2006-10-01 68.21 2006-11-01 68.97 2006-12-01 70.10 2007-01-01 71.34 2007-02-01 72.26 2007-03-01 72.32 2007-04-01 72.36 2007-05-01 72.64 2007-06-01 72.77 2007-07-01 74.96 2007-08-01 77.38 2007-09-01 77.74 2007-10-01 78.24 2007-11-01 79.98 2007-12-01 81.04 2008-01-01 82.19 2008-02-01 83.35 2008-03-01 84.02 2008-04-01 84.36 2008-05-01 84.77 2008-06-01 85.75 2008-07-01 88.53 2008-08-01 89.42 2008-09-01 88.99 2008-10-01 89.80 2008-11-01 90.39 2008-12-01 91.97 2009-01-01 92.68 2009-02-01 93.43 2009-03-01 93.12 2009-04-01 92.51 2009-05-01 92.65 2009-06-01 93.07 2009-07-01 94.63 2009-08-01 94.98 2009-09-01 93.76 2009-10-01 94.27 2009-11-01 94.34 2009-12-01 95.43 2010-01-01 96.24 2010-02-01 96.28 2010-03-01 95.20 2010-04-01 93.97 2010-05-01 93.54 2010-06-01 93.47 2010-07-01 95.25 2010-08-01 95.27 2010-09-01 93.25 2010-10-01 93.45 2010-11-01 94.03 2010-12-01 95.66 2011-01-01 96.03 2011-02-01 95.80 2011-03-01 94.86 2011-04-01 93.31 2011-05-01 93.15 2011-06-01 94.45 2011-07-01 96.94 2011-08-01 96.75 2011-09-01 93.02 2011-10-01 93.12 2011-11-01 93.19 2011-12-01 95.52 2012-01-01 95.52 2012-02-01 95.52 2012-03-01 94.60 2012-04-01 93.41 2012-05-01 93.35 2012-06-01 94.97 2012-07-01 97.18 2012-08-01 97.21 2012-09-01 94.07 2012-10-01 95.26 2012-11-01 95.49 2012-12-01 97.86 2013-01-01 98.49 2013-02-01 98.16 2013-03-01 97.04 2013-04-01 95.96 2013-05-01 95.43 2013-06-01 96.57 2013-07-01 100.27 2013-08-01 100.21 2013-09-01 95.87 2013-10-01 95.75 2013-11-01 95.94 2013-12-01 98.48 2014-01-01 99.25 2014-02-01 99.20 2014-03-01 98.39 2014-04-01 97.03 2014-05-01 96.16 2014-06-01 97.86 2014-07-01 100.83 2014-08-01 101.11 2014-09-01 97.01 2014-10-01 96.42 2014-11-01 96.54 2014-12-01 99.09 2015-01-01 100.60 2015-02-01 100.45 2015-03-01 99.16 2015-04-01 98.58 2015-05-01 98.43 2015-06-01 99.21 2015-07-01 102.77 2015-08-01 102.73 2015-09-01 98.89 2015-10-01 99.03 2015-11-01 98.93 2015-12-01 101.21 2016-01-01 101.72 2016-02-01 101.31 2016-03-01 100.32 2016-04-01 98.56 2016-05-01 98.30 2016-06-01 99.92 2016-07-01 104.63 2016-08-01 105.05 2016-09-01 99.23 2016-10-01 98.93 2016-11-01 99.10 2016-12-01 102.32 2017-01-01 103.35 2017-02-01 102.71 2017-03-01 100.92 2017-04-01 98.71 2017-05-01 98.58 2017-06-01 100.24 2017-07-01 104.85 2017-08-01 105.07 2017-09-01 100.17 2017-10-01 100.98 2017-11-01 101.11 2017-12-01 104.35 2018-01-01 105.84 2018-02-01 106.39 2018-03-01 105.08 2018-04-01 104.42 2018-05-01 103.88 2018-06-01 106.68 2018-07-01 113.96 2018-08-01 115.07 2018-09-01 107.78 2018-10-01 107.93